What do I need for my dell 2400 series to play video files from computer to TV

Question, what do I need for my dell 2400 series to play video files from computer to TV.
TV is new and has s-video but no outputs on my dell computer. need expert advice before spending any bread on the wrong stuff… :confused:

well you should have made a thread… but for that you will need a video card, with outputs, like the ati all in one wonder